CN220055677U - 3D printing consumables coiling mechanism - Google Patents

Abstract

The utility model relates to a 3D printing consumable winding device which comprises a base, a roller device, a tension pendulum device and a feeding device, wherein the roller device, the tension pendulum device and the feeding device are sequentially arranged on the base, the tension pendulum device comprises a potentiometer, a driven gear, a tension pendulum main shaft and a tension roller, and the potentiometer is in signal connection with a driving part of the roller device. This coiling mechanism pulls in from feed arrangement through setting up tension pendulum device to carry the 3D consumptive material to roller device after the guide of tension roller and carry out balanced rolling, along with the peripheral winding consumptive material of cylinder is thicker and thicker, but its winding speed is the same, prevents that the material from taking place to splash, and the stable ability of carrying the consumptive material of stabilizer rolling reduces the emergence of incident.

Description

3D printing consumables coiling mechanism

Technical Field

The utility model relates to the technical field of consumable collection, in particular to a 3D printing consumable winding device.

Background

In the manufacture of 3D printed products, printing consumables are mainly strip-shaped or linear products. 3D printing consumables is because of the materials is many, first with the consumable rolling on a fixed gyro wheel, need continuous feed when 3D printing operation. The winding mode that adopts at present is single, adopts the mode of cylinder rolling generally to roll the consumptive material, needs artifical auxiliary operation, and winding intensity is great.

In the existing winding mode, the roller is generally driven by a motor, the constant speed is always kept, the consumable materials conveyed are continuously thickened along with the consumable materials on the periphery of the roller, the linear speed of the outer surface of the roller is continuously increased compared with the linear speed generated when the roller just begins, the conveying speed of the 3D printing consumable materials can be influenced by the excessively high linear speed of the periphery of the roller, the consumable material conveying process is caused to deviate due to the excessively high speed, and in addition, the conveying efficiency of the 3D printing consumable materials can be influenced by the excessively low linear speed. Therefore, a stable consumable rolling conveying speed is of great significance to rolling of 3D printing consumables.

Disclosure of Invention

The utility model aims to provide a 3D printing consumable winding device and a winding method thereof, which are used for solving the problems in the background technology.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a 3D printing consumables coiling mechanism, includes base and installs roller device, tension pendulum device and the feed arrangement on the base in proper order, tension pendulum device includes potentiometre, driven gear, tension pendulum main shaft and tension roller, the potentiometre is installed in the inboard of base, and the input and the driven gear of potentiometre are connected, tension pendulum main shaft rotates to be connected on the base, one end of tension pendulum main shaft is fixed with the driving gear, the driving gear is connected with driven gear meshing, the other end of tension pendulum main shaft is fixed with the tension pole, the tip and the tension roller rotation of tension pole are connected; the potentiometer is in signal connection with a driving part of the roller device.

In the scheme, the potentiometer is arranged on the base through the potentiometer seat, and a notch is formed in one side, close to the tension pendulum main shaft, of the potentiometer seat; the tension pendulum main shaft is arranged on the base through a tension pendulum bearing seat, and a bearing which is rotationally connected with the base is arranged in the tension pendulum bearing seat.

In the scheme, the axial lead of the tension pendulum main shaft and the axial lead of the tension rod are in a right-angle structure, and the axial lead of the tension rod and the axial lead of the tension roller are in a right-angle structure; the tension roller is fixedly connected with one side of the tension rod through a roller shaft.

In the above scheme, the base includes bottom plate and mounting panel, the mounting panel is vertical to be set up, and its perpendicular one side of installing at the bottom plate, the both sides of mounting panel are equipped with the gusset that is connected with the bottom plate.

In the scheme, the roller device comprises a servo motor, a coiling main shaft and a roller, wherein the coiling main shaft is arranged on a base through a main shaft bearing seat, a bearing which is rotationally connected with the coiling main shaft is arranged in the main shaft bearing seat, and the output end of the servo motor is connected with the main shaft bearing seat through a reduction gearbox; the reduction gearbox is in transmission connection with the coiling main shaft under the drive of the servo motor; the roller is mounted on the winding spindle.

Further, as a preferable scheme, an inner center and an outer center are arranged on the outer side of the coiling main shaft, the roller is arranged between the inner center and the outer center, and the outer center locks the shaft center of the roller.

In the above scheme, the feeding device comprises a fixed seat, a movable roll shaft and a fixed roll shaft, wherein the movable roll shaft and the fixed roll shaft are respectively arranged on the base through the fixed seat, a waist groove in the vertical direction is formed in the fixed seat, and an adjusting hand wheel rod inserted into the waist groove is arranged at the top of the fixed seat; and a limiting groove is formed in the guide roller of the movable roller shaft, and one side of the limiting groove is positioned in the waist groove.

Compared with the prior art, the utility model has the beneficial effects that: this coiling mechanism, through setting up tension pendulum device, carry to the 3D consumptive material that roller device was balanced rolling after the guide of pulling in and passing through tension roller from feed arrangement, along with the peripheral winding consumptive material of cylinder is thicker and thicker, but its winding speed is the same, prevents that the material from taking place to splash, and the stable ability of carrying the consumptive material of stabilizer rolling reduces the emergence of incident.

Drawings

The disclosure of the present utility model is described with reference to the accompanying drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the utility model. In the drawings, like reference numerals are used to refer to like parts. Wherein:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 at another view angle;

FIG. 3 is a schematic elevational view of the present utility model;

FIG. 4 is a schematic view of the cross-sectional structure A-A of FIG. 1;

FIG. 5 is a schematic view of the cross-sectional structure B-B in FIG. 1;

FIG. 6 is a schematic top view of the present utility model;

fig. 7 is a schematic structural view of a tension pendulum device according to the present utility model.

Reference numerals in the drawings: 1-a base; 11-a bottom plate; 12-mounting plates; 13-rib plates; 2-roller means; 21-a servo motor; 22-a reduction gearbox; 23-a main shaft bearing seat; 24-coiling a main shaft; 25-roller; 26-an inner center; 27-an outer center; 3-tension pendulum device; 31-a potentiometer; 32-potentiometer base; 33-a drive gear; 34-a driven gear; 35-tension pendulum bearing block; 36-a tension pendulum main shaft; 37-tension bar; 38-roll shafts; 39-tension roller; 4-a feeding device; 41-fixing seats; 42-moving the roll shaft; 43-fixing a roll shaft; 44-guide rollers; 45-limit grooves; 46-waist groove; 47-adjusting the hand wheel lever.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present utility model easy to understand, the present utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures to which the utility model pertains.

According to the technical scheme of the utility model, a person skilled in the art can propose various alternative structural modes and implementation modes without changing the true spirit of the utility model. Accordingly, the following detailed description and drawings are merely illustrative of the utility model and are not intended to be exhaustive or to limit the utility model to the precise form disclosed.

The technical scheme of the utility model is further described in detail below with reference to the accompanying drawings and examples.

As shown in fig. 1, 2 and 3, a 3D printing consumable winding device includes a base 1, and a roller device 2, a tension pendulum device 3 and a feeding device 4 sequentially installed on the base 1. The feeding device 4 is used for pulling and guiding the strip-shaped and linear 3D printing consumables, conveying the 3D printing consumables to enter the winding range of the roller device 2, and carrying out stable winding in cooperation with the roller device 2. The roller device 2 is mainly used for winding and collecting strip-shaped 3D printing consumables in a stable rotation mode.

Referring to fig. 4, the base 1 includes a bottom plate 11 and an installation plate 12, the installation plate 12 is vertically arranged, and is vertically installed at one side of the bottom plate 11, and rib plates 13 connected with the bottom plate 11 are arranged at two sides of the installation plate 12. The roller device 2, the tension pendulum device 3 and the feeding device 4 are all arranged on the mounting plate 12, the output stations of the devices are arranged outwards, and the inner side of the devices is arranged between two rib plates 13. In practice, the inside of the device may be sealed by the addition of a protective cover.

Referring to fig. 7, the tension pendulum device 3 includes a potentiometer 31, a driven gear 34, a tension pendulum main shaft 36 and a tension roller 39, wherein the potentiometer 31 is installed at the inner side of the base 1, and an input end of the potentiometer 31 is connected with an axis of the driven gear 34, so as to transmit a signal to a driving component of the drum device 2 according to a rotation angle of the driven gear 34, and finally determine a swinging position of the tension roller 39. The potentiometer 31 is in signal connection with a driving component of the roller device 2, and mainly transmits a change signal of the resistance value of the potentiometer 31 to the servo motor 21 to control the output rotation speed of the motor so as to collect 3D printing consumables in an equalizing manner.

The potentiometer 31 is mounted on the base 1 through a potentiometer seat 32, one side of the potentiometer seat 32, which is close to the tension pendulum main shaft 36, is provided with a notch, and the notch is used for conveniently mounting the driven gear 34 and stably conveying the moment between the two gears.

The tension pendulum main shaft 36 is rotatably connected to the base 1, specifically, the tension pendulum main shaft 36 is mounted on the base 1 through a tension pendulum bearing seat 35, and a bearing rotatably connected to the base 1 is provided in the tension pendulum bearing seat 35. One end of the tension pendulum main shaft 36 is fixed with a driving gear 33, the driving gear 33 is meshed with a driven gear 34, the other end of the tension pendulum main shaft 36 is fixed with a tension rod 37, and the end of the tension rod 37 is rotatably connected with a tension roller 39. Specifically, the axis of the tension pendulum main shaft 36 and the axis of the tension rod 37 are in a right-angle structure, the axis of the tension rod 37 and the axis of the tension roller 39 are in a right-angle structure, and the tension roller 39 is fixedly connected with one side of the tension rod 37 through a roller shaft 38. The pendulum spindle 36, the tension bar 37, the roller shaft 38, and the Zhang Zhangli roller 39 mounted on the roller shaft 38 constitute a tension pendulum, which guides the passing strip-like consumable material and guides its balanced transport to the drum device 2.

The working process of the tension pendulum device 3 in this solution is as follows:

when the winding speed of the roller 25 is higher than the normal production speed of the equipment host, the wound object lifts the tension rod 37 through the swing guide roller 39 and the roller shaft 38 thereof, the tension swing main shaft 36 rotates to drive the driving gear 33 to rotate, and the driven gear 34 meshed with the driving gear 33 rotates to drive the potentiometer 31 to change the resistance value of the potentiometer 31. This variable will be fed back to the control unit of the servomotor 21 for winding, reducing its rotation speed, thus reducing the crimping speed of the drum 25;

conversely, when the winding speed of the roller 25 is lower than the normal speed of the host machine, the object to be wound is lowered by the swing guide roller 39 and the roller shaft 38 thereof, so that the tension rod 37 is lowered, the tension swing main shaft 36 reversely rotates to drive the driving gear 33 to reversely rotate, and the driven gear 34 engaged with the driving gear 33 reversely rotates to drive the potentiometer 31 to change the resistance value of the potentiometer 31. This variable will be fed back to the control unit of the servomotor 21 for winding, increasing its rotation speed, thus increasing the crimping speed of the drum 25;

at the same time, the consumable material wound around the periphery of the drum 25 becomes thicker, and the circumferential line speed thereof must be consistent with the production speed of the main machine of the apparatus. In this case, the position of the tension rod 37 is changed by the action of the swing guide roller 39 and the roller shaft 38 thereof, and the winding speed of the drum 25 is finally changed by the potentiometer 31, so that the speed is kept dynamically consistent with the speed of the main machine of the equipment, and dynamic balance is achieved.

As a preferred solution, the number of teeth of the driving gear 33 is greater than the number of teeth of the driven gear 34, for example, the ratio of teeth is 3:1, since the ratio of teeth of the driving gear 33 to the driven gear 34 is 3:1, the rotation amplitude of the tension pendulum main shaft 36 is amplified, so that the resistance of the potentiometer 31 is obviously changed, and the control is easy to participate.

In practice, referring to fig. 6, the drum device 2 includes a servo motor 21, a winding spindle 24 and a drum 25, the winding spindle 24 is mounted on the base 1 through a spindle bearing block 23, a bearing rotatably connected to the winding spindle 24 is disposed in the spindle bearing block 23, and an output end of the servo motor 21 is connected to the spindle bearing block 23 through a reduction gearbox 22. The reduction gearbox 22 is in transmission connection with the coiling spindle 24 under the drive of the servo motor 21, so that the coiling spindle 24 is driven to rotate. Since the drum 25 is mounted on the winding spindle 24, the drum 25 is eventually driven to rotate continuously.

As a preferable scheme, an inner center 26 and an outer center 27 are arranged on the outer side of the winding main shaft 24, the roller 25 is arranged between the inner center 26 and the outer center 27, and the outer center 27 locks the shaft center of the roller 25. When sufficient consumable material is wound on the outside of the drum 25, the drum 25 is removed from the winding spindle 24 by screwing the outer tip 27, and a new drum 25 is placed for further winding.

In implementation, referring to fig. 5, the feeding device 4 includes a fixing seat 41, a moving roller shaft 42 and a fixed roller shaft 43, the moving roller shaft 42 and the fixed roller shaft 43 are respectively installed on the base 1 through the fixing seat 41, a waist slot 46 in the vertical direction is formed on the fixing seat 41, and an adjusting hand wheel rod 47 inserted into the waist slot 46 is arranged at the top of the fixing seat 41. A limit groove 45 is formed in the guide roller 44 of the movable roller shaft 42, and one side of the limit groove 45 is positioned in the waist groove 46. The position of the movable roll shaft 42 is limited by clamping the adjusting hand wheel rod 47 into the limiting groove 45, so that the distance between the movable roll shaft 42 and the fixed roll shaft 43 can be conveniently determined, and 3D printing consumables with different thicknesses can be wound.

A rolling method of a 3D printing consumable rolling device comprises the following steps:

s1, drawing consumable materials from a feeding device 4, guiding the consumable materials by a tension roller 39 and conveying the consumable materials to a roller device 2;

s2, when the roller device 2 rotates and winds, the tension roller 39 adjusts the swing position of the tension roller 39 according to the winding speed of the consumable on the roller device 2, and the consumable is guided.

As a preferred option, the potentiometer 31 adjusts the rotational speed of the drum device 2 according to the swing position of the tension roller 39, and supplies the consumable material to it in a balanced manner.

As a preferable scheme, when the consumable passes between the two guide rollers 44 of the feeding device 4, the distance between the two guide rollers 44 is adjusted, and the consumable with different thickness is stably conveyed.

The position of the tension roller 39 is determined according to the linear speed, the resistance value of the potentiometer 31 is regulated, a resistance value change signal of the potentiometer 31 is transmitted to a motor, and the motor controls the rotation speed of the roller device 2 so that the rotation speed of the roller device and the consumable conveying speed at the periphery of the roller 25 reach dynamic balance. For the strip consumable, a constant winding speed is determined through the swinging position of the tension pendulum device 3, so that the device keeps a good winding effect.

To sum up, this coiling mechanism, through setting up tension pendulum device 3, carry out balanced rolling to the 3D consumptive material that is carried to roller device 2 after the guide of pulling in and passing through tension roller 39 from feed arrangement 4, along with the peripheral winding consumptive material of cylinder 25 is thicker and thicker, but its winding speed is the same, prevents that the material from taking place to splash, and the stable ability of carrying the consumptive material of stabilizer rolling reduces the emergence of incident.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. These undisclosed elements are all of the prior art known to those skilled in the art.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (7)

1. 3D printing consumables coiling mechanism, its characterized in that: the tension pendulum device comprises a base (1) and a roller device (2), a tension pendulum device (3) and a feeding device (4) which are sequentially arranged on the base (1), wherein the tension pendulum device (3) comprises a potentiometer (31), a driven gear (34), a tension pendulum main shaft (36) and a tension roller (39), the potentiometer (31) is arranged on the inner side of the base (1), the input end of the potentiometer (31) is connected with the driven gear (34), the tension pendulum main shaft (36) is rotationally connected on the base (1), one end of the tension pendulum main shaft (36) is fixedly provided with a driving gear (33), the driving gear (33) is in meshed connection with the driven gear (34), the other end of the tension pendulum main shaft (36) is fixedly provided with a tension rod (37), and the end of the tension rod (37) is rotationally connected with the tension roller (39). The potentiometer (31) is in signal connection with a driving part of the roller device (2).

2. The 3D printing consumable winding device according to claim 1, wherein: the potentiometer (31) is arranged on the base (1) through a potentiometer seat (32), and a notch is formed in one side, close to the tension pendulum main shaft (36), of the potentiometer seat (32); the tension pendulum main shaft (36) is arranged on the base (1) through a tension pendulum bearing seat (35), and a bearing which is rotationally connected with the base (1) is arranged in the tension pendulum bearing seat (35); the number of teeth of the driving gear (33) is larger than that of the driven gear (34).

3. The 3D printing consumable winding device according to claim 1, wherein: the axial lead of the tension pendulum main shaft (36) and the axial lead of the tension rod (37) are in a right-angle structure, and the axial lead of the tension rod (37) and the axial lead of the tension roller (39) are in a right-angle structure; the tension roller (39) is fixedly connected with one side of the tension rod (37) through a roller shaft (38).

4. The 3D printing consumable winding device according to claim 1, wherein: the base (1) comprises a bottom plate (11) and a mounting plate (12), wherein the mounting plate (12) is vertically arranged and is vertically arranged on one side of the bottom plate (11), and rib plates (13) connected with the bottom plate (11) are arranged on two sides of the mounting plate (12).

5. The 3D printing consumable winding device according to claim 1, wherein: the roller device (2) comprises a servo motor (21), a coiling main shaft (24) and a roller (25), wherein the coiling main shaft (24) is arranged on the base (1) through a main shaft bearing seat (23), a bearing which is rotationally connected with the coiling main shaft (24) is arranged in the main shaft bearing seat (23), and the output end of the servo motor (21) is connected with the main shaft bearing seat (23) through a reduction gearbox (22); the reduction gearbox (22) is in transmission connection with the coiling main shaft (24) under the drive of the servo motor (21); the drum (25) is mounted on the winding spindle (24).

6. The 3D printing consumable winding device of claim 5, wherein: an inner center (26) and an outer center (27) are arranged on the outer side of the winding main shaft (24), the roller (25) is arranged between the inner center (26) and the outer center (27), and the outer center (27) locks the shaft center of the roller (25).

7. The 3D printing consumable winding device according to claim 1, wherein: the feeding device (4) comprises a fixed seat (41), a movable roll shaft (42) and a fixed roll shaft (43), wherein the movable roll shaft (42) and the fixed roll shaft (43) are respectively arranged on the base (1) through the fixed seat (41), a waist groove (46) in the vertical direction is formed in the fixed seat (41), and an adjusting hand wheel rod (47) inserted into the waist groove (46) is arranged at the top of the fixed seat (41); a guide roller (44) of the movable roller shaft (42) is provided with a limit groove (45), and one side of the limit groove (45) is positioned in the waist groove (46).